UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LlJYEnhWi+I4bfgKTutb3BjIssx+3H53gJuZ1RNh8pY=' 
WHERE 
  key_id = '834204302ee2781ff99634682bc1adac64cf2fe4f71c6d7a893bfd62dec9f14f' 
  AND (
    token = 'LlJYEnhWi+I4bfgKTutb3BjIssx+3H53gJuZ1RNh8pY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )